SepCalc
Science, Graphing & Finance
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Calculate, model, and verify with scientific math, graphs, finance, data, units, source-linked worksheets, and offline Python all in one workspace.
ONE CALCULATOR. EVERY LEVEL OF WORK.
SepCalc combines an approachable everyday calculator with the depth of a professional scientific, graphing, programmable, and financial workstation. Start with a simple expression, then turn the result into an explanation, graph, table, scenario, script, or auditable report.
FAST, FLEXIBLE CALCULATION
• Natural algebraic entry and optional RPN
• Exact fractions, radicals, symbolic constants, complex numbers, and arbitrary-size integers
• Scientific, engineering, fixed-decimal, fraction, and mixed-number formats
• Degrees, radians, gradians, DMS, bases, bitwise operations, variables, memory, and searchable history
• Clear calculation steps, domain checks, precision controls, and reusable results
SCIENTIFIC POWER
• Computer algebra for simplifying, expanding, factoring, solving, symbolic calculus, series, and transforms
• Numerical solvers, derivatives, integrals, optimization, differential equations, and error estimates
• Vectors, matrices, linear systems, decompositions, eigenvalues, and least-squares analysis
• Dimension-aware unit conversion and searchable physical constants with source metadata
• Engineering, electrical, chemistry, geometry, and measurement tools
GRAPH, VISUALIZE, AND EXPLORE
• Cartesian, polar, parametric, implicit, inequality, sequence, and field plots
• Trace roots, extrema, intersections, derivatives, tangents, and areas
• Linked value tables, parameter sliders, animation, and adaptive discontinuity handling
• Interactive 3D surfaces, curves, vectors, meshes, cross-sections, contours, and exports
DATA AND STATISTICS
• Typed tables with CSV and TSV import and export
• Descriptive statistics, probability distributions, regression, inference, and ANOVA
• Statistical plots, time-series tools, simulation, bootstrap, permutation, and Monte Carlo workflows
• Optional permission-based sensor and laboratory data capture with provenance
A FINANCIAL CALCULATOR BUILT FOR REAL DECISIONS
• Complete TVM worksheets for N, I/Y, PV, PMT, and FV
• Loans, mortgages, amortization schedules, refinance comparisons, and savings goals
• Cash flows, NPV, IRR, capital budgeting, interest conversion, depreciation, dates, profit, and breakeven
• Bond pricing and yield, portfolio performance and optimization, valuation and DCF
• Options, Greeks, risk analytics, historical source-aware FX, and actuarial tools
• Visible formulas, substitutions, timelines, assumptions, day-count conventions, and sign conventions
PROGRAM IT YOUR WAY
Use the bundled offline Python environment for scripts, notebook-style work, native math and finance APIs, charts, reusable projects, and custom calculators—without depending on a Mac, external Python installation, or network service.
DESIGNED FOR TRUST
SepCalc uses deterministic engines to calculate and verify results. Guided tools can help interpret a problem, but the mathematics remains inspectable. Core math, finance, graphing, and scripting work locally. Your projects stay under your control.
Built for iPhone and iPad, with a capable Apple Watch companion, widgets, Shortcuts, sharing, accessibility support, and localized experiences in English, German, French, Spanish, Brazilian Portuguese, and Japanese.
From a quick calculation to an advanced model, SepCalc keeps powerful tools organized, discoverable, and ready when you need them.
Terms of Use (EULA):
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Use adaptive workspaces that preserve your exact task across compact and expanded layouts.
Review source documents beside editable, source-linked worksheets.
Trace graphs with persistent analysis, value tables, derivatives, roots, extrema and integrals.
Open a privacy-controlled lab or teaching display on supported multi-scene devices.
Open saved artifacts in separate windows and transfer typed values with units and provenance.
The developer, David Seppi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- David Seppi
- Size
- 107.7 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 26.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later. - Apple Watch
Requires watchOS 11.0 or later.
- iPhone
- Languages
English and 5 more
- English, French, German, Japanese, Portuguese, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- SepCalc Intelligence Annual $39.99
- SepCalc Intelligence Monthly $4.99
- SepCalc Pro Lifetime $24.99
- Copyright
- © 2026 Seppi Design