Visual Calculation Editor!

Visual Calculation Editor is the ultimate solution for step-by-step calculations. User friendly and powerful. fractions, roots, brackets, exponents and indexes- output settings- user defined variables- user defined functions- tables with autosum- customized keyboard layout for math expressions input- scrollable and zoomable input area- syntax highlighting- in place error notification- several fonts to suit every taste- portrait and landscape interface- select/copy/cut/paste functions- save/open functions- undo/redo history- iCloud Drive support (iOS 8 or later)- calculations sharing and printing- slide over and split view support (iOS 9 or later multitasking on eligible iPad models)Mathematics:- basic operations: +, -, , , /- exponents, roots, exponential functions: x, , e- additional operations: %, n , div, mod- brackets, rounding, absolute value, fractional part- trigonometry: cos, sin, tan, cosh, sinh, tanh and reciprocal functions- logarithms: log, ln, lg- constants: , e,