WeltekxCalc
Android Coming Soon
About WeltekxCalc
A comprehensive Android calculator covering every branch of mathematics — from basic arithmetic to calculus, matrices, statistics, financial maths, discrete maths, complex numbers, physics constants, and more. Results update live as you type.
Key Features
Arithmetic & Scientific
+, −, ×, ÷, %, ^, √, parentheses, sin/cos/tan, ln, log, e^x, n!, nCr, nPr.
Algebra & Calculus
Simplify, expand, factor, solve, differentiate, integrate, and limits — all built in.
Matrix & Statistics
Add, multiply, determinant, inverse, transpose, eigenvalues. Mean, median, mode, regression, distributions.
Financial Maths
Simple/compound interest, annuity PV/FV, loan payment, NPV, IRR, depreciation.
96 Formula Library
Searchable formulas across 8 categories: algebra, trig, calculus, statistics, geometry, physics, finance, discrete maths.
5 Themes
Light, Dark, Amoled Black, High Contrast, and Solarized — switch instantly from Settings.
Math Categories