Visual Calculation Editor is the ultimate solution for step-by-step calculations.User friendly and powerful. Traditional mathematical notation as well as variables for intermediate values. Polished application layout and carefully chosen formula proportions.Amazing experience with a combination of handwritten and computer calculations.Features:- multiline calculations on one sheet - traditional math notation, incl. 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- undo/redo history- calculations sharing and printing- slide over and split view support (iOS 9 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, The free version evaluates no more than five expressions, doesn't have open/save features and shows ads. When you buy the full version you'll forget about the restrictions.