UniCount scientific calculator
Engineering & complex numbers
Free · In‑App Purchases
Units and currencies right in your formulas, complex numbers, matrices, your own constants and functions, and high, guaranteed precision.
UniCount is a scientific calculator: natural formula input, complex numbers, units and currencies, matrices, your own functions, and high, guaranteed precision.
KEY FEATURES:
• Natural math notation: multi-story fractions, powers, roots of any degree.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Mix units and currencies right in a formula: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Convert anything with one key: length, mass, speed, data, currencies and crypto.
• Define your own constants and functions and reuse them anywhere.
• Matrices: product, inverse, determinant, transpose.
• Complex numbers in all functions.
• Clear errors that highlight the exact spot in the formula.
EDITING:
• Caret, selection, and full formula editing built for touch.
• Undo slider and calculation history — nothing gets lost.
• Live result under the formula while you type.
ADDITIONAL FEATURES:
• Keyboard extension: the full calculator inside any app, no switching away.
• History, your constants and functions sync across your devices via iCloud.
more Great scientific calculator for middle school . No annoying ads.
Great scientific calculator for middle school . No annoying ads.
Thank you!
New in 3.1:
• Graphs: plot your functions and expressions as curves; complex functions — as domain coloring.
• Number bases: binary, hexadecimal or any other base — fractions and repeating digits included.
• New themes in settings.
And from the recent 3.0 update:
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
3.1.9 Aug 31
New in 3.1:
• Graphs: plot your functions and expressions as curves; complex functions — as domain coloring.
• Number bases: binary, hexadecimal or any other base — fractions and repeating digits included.
• New themes in settings.
And from the recent 3.0 update:
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
3.1.8 Aug 30
New in 3.1:
• Graphs: plot your functions and expressions as curves; complex functions — as domain coloring.
• Number bases: binary, hexadecimal or any other base — fractions and repeating digits included.
• New themes in settings.
And from the recent 3.0 update:
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
3.1.7 Aug 27
New in 3.1:
• Graphs: plot your functions and expressions as curves; complex functions — as domain coloring.
• Number bases: binary, hexadecimal or any other base — fractions and repeating digits included.
• New themes in settings.
And from the recent 3.0 update:
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
3.1.6 Aug 23
New in 3.1:
• Graphs: plot your functions and expressions as curves; complex functions — as domain coloring.
• Number bases: binary, hexadecimal or any other base — fractions and repeating digits included.
• New themes in settings.
And from the recent 3.0 update:
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
3.1.5 Aug 22
New in 3.1:
• Graphs: plot your functions and expressions as curves; complex functions — as domain coloring.
• Number bases: binary, hexadecimal or any other base — fractions and repeating digits included.
• New themes in settings.
And from the recent 3.0 update:
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
3.1.4 Aug 19
New in 3.1:
• Graphs: plot your functions and expressions as curves; complex functions — as domain coloring.
• Number bases: binary, hexadecimal or any other base — fractions and repeating digits included.
• New themes in settings.
And from the recent 3.0 update:
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
3.1.3 Aug 16
New in 3.1:
• Graphs: plot your functions and expressions as curves; complex functions — as domain coloring.
• Number bases: binary, hexadecimal or any other base — fractions and repeating digits included.
• New themes in settings.
And from the recent 3.0 update:
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
3.1.2 Aug 15
New in 3.1:
• Graphs: plot your functions and expressions as curves; complex functions — as domain coloring.
• Number bases: binary, hexadecimal or any other base — fractions and repeating digits included.
• New themes in settings.
And from the recent 3.0 update:
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
3.1.1 Aug 14
New in 3.1:
• Graphs: plot your functions and expressions as curves; complex functions — as domain coloring.
• Number bases: binary, hexadecimal or any other base — fractions and repeating digits included.
• New themes in settings.
And from the recent 3.0 update:
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
3.1.0 Aug 13
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
3.0.0 Aug 11
iPad version available
2.2.3 06/05/2024
iPad version avaliable
2.2.2 05/22/2024
Calculator keyboard!
2.2 09/14/2021
Updated button icons
2.1 09/12/2021
New iOS support
2.0 09/11/2021
Improved stability, fixed a bug in the calculation of the root with a complex exponent, fixed widget bug for iOS before 10.0
1.5.1 03/01/2017
fixed bugs, iOS 10 support
1.5 02/24/2017
Fixed bugs
1.1.2 12/22/2015
Fixed bugs
1.1.1 12/02/2015
Added some languages and color schemes, new design of history viewing.
1.1 09/18/2015
New in 3.1:
• Graphs: plot your functions and expressions as curves; complex functions — as domain coloring.
• Number bases: binary, hexadecimal or any other base — fractions and repeating digits included.
• New themes in settings.
And from the recent 3.0 update:
• Units and currencies right in formulas, with one-key conversion: 100 $ + 5 000 ₽, 5 ft + 9 in ► cm.
• Your own constants and functions.
• Matrices: product, inverse, determinant, transpose.
• High, guaranteed precision: huge numbers (50! is not a problem), repeating decimals with a period bar.
• Reworked editing: selection, caret control from the keypad, undo slider.
• Live result under the formula while you type.
• Clear errors that highlight the exact spot in the formula.
• History, constants and functions sync across devices via iCloud.
• UniCount is now also on the Mac — as a native app.
more Version 3.1.9 Aug 31
Data Not Collected The developer does not collect any data from this app.