Smart-Calculator Pro 4+

No Ads, the best All-in-one Calculator with voice, history for the iPhone and iPad.
◉ Smart Calculator+
▸ Basic Calculator (+, -, x, ÷, %, (), ...)
▸ Scientific Calculator (e, pi, π, Sin, Cos, Ln, X!, ^, √, log, Sin⁻¹, Cos⁻¹, …)
▸ Calculation history (Show or hide)
▸ Voice Output (English, Chinese, Japanese, Korean, Malay, ...)
▸ Visual input (Backspace key)
▸ Calculator Widget ( for iOS 17.0+)

◉ Unit Converter
▸ Supports length, area, volume, speed, pressure, power, weight, temperature, energy, time, angle, density, force, torque, and the data capacity.

◉ Loan Calculator
▸ Calculate total interest, total payment based on loan principal and interest rate.
▸ Share the result to you friends or relatives.

◉ Currency Converter
▸ You can calculate currency exchange rate conversions, including dollar, euro, yen, yuan, etc.

◉ Fraction Calculator:
▸ You can calculate addition, subtraction, multiplication, and division of fractions.
▸ You can also perform calculations between decimals and fractions, Quickly and easily check children's fraction math problems.

◉ Percentage Calculator:
▸ You can easily calculate the percentage increase or decrease between numbers.
▸ You can also calculate what percentage one number is of another.

◉ Hexadecimal Converter:
▸ Enter a value, and generate a value which converted between binary, octal, decimal, and hexadecimal.

◉ BMI Calculator:
▸ Measure the body mass index (BMI), the basal metabolic rate (BMR), and body fat percentage (BFP).
▸ Save the BMI、BMR、BFP indicators as notes to keep track of your health status at any time.

◉ Date Calculator:
▸ Flexibly calculate the interval of a specific date or anniversary with accuracy to the month, week, day, hour, minute, and second.

◉ Savings Calculator:
▸ Enter the deposit amount, interest rate and term and interest and final savings balance will be calculated.

◉ Income Tax Calculator
▸ Enter your pre-tax salary, additional deductions, and payment periods to calculate your final after-tax salary, personal income tax, medical insurance premiums, etc.

◉ Chinese Relatives Calculator:
- Easily learn the titles of Chinese relatives.

◉ Chinese financial capitalization:
▸ Enter the amount number, and the Chinese financial text corresponding to the amount can be generated.

◉ OTHER FEATURES:
▸ Portrait and landscape modes both available.
▸ Support Multitasking (iPad).
▸ Multiple skin themes.
▸ Keyboard vibration & Sound.
▸ Thousands separator.
▸ Adjustable number of decimal places.
▸ Other advanced functions...

More features are being developed~ Please Come to download, just enjoy it ^_^

Disclaimer:
The developer of this application makes no warranties regarding the accuracy, reliability, or suitability of any calculation results or information provided by this application. The developer shall not be liable for any loss, whether direct or indirect, arising from the use of any calculation results or information provided by this application.

Terms of Use:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula.