SymCalc - Symbolic Calculator [iPhone]

The perfect tool for students, teachers and engineers, built on an extremely powerful algebra engine, SymCalc solves any math problems from basic arithmetics to university-level advanced math. It offers all the advantages of an advanced graphing/scientific calculator mixed with the convenience of a modern mobile app.

Features overview:

- Exact arithmetic. 5/15 is 1/3 and not 0.333 (unless you select rounded numerical mode)
- Store unlimited number of variables, create custom functions
- Algebra: operations on polynomials, such as expansion and factorization, collecting terms, division with remainder, etc.
- Calculus: derivatives, integrals, limits, taylor expansion, etc.
- Linear algebra: matrix operations, determinant, rank, reduced echelon form, characteristic polynomial, etc.
- Solvers: single equations or systems, symbolically or numerically, differential equations
- Complex arithmetics
- Graphing
- Session management: export, import sessions or create PDF files
- All built-in functions come with descriptions and examples
- Fully offline

This free version of SymCalc provides basic symbolic arithmetic features for free. A paid subscription unlocks the more advanced tools and online sharing capabilities.
- Length of subscription is 1 year.
- Payment will be charged to iTunes account at confirmation of purchase.
- Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period
– Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal
– Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase

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