এবার এন্ডয়েড দিয়ে লিখতে পারবেন যে কোন সমীকরণ ঠিক মাইক্রোসফট ওয়ার্ডের মত। কাজটি এতই সহজ যে  কোন সমীকরণ লিখতে  এখন আর মাইক্রোসফট ওয়ার্ড ব্যবহার করতে চাইবেন না। এন্ডয়েড 2.1 এবং এর উপরে যে কোন এন্ডয়েড এটি কাজ করবে।

দেখে নিন এর FEATURES * Store often used constants, functions and expressions in a library * Internet is not required * No advertisements SCIENTIFIC CALCULATOR * arithmetic expressions +,-,*,/,÷ * square root, cube and higher roots (hold root key) * exponent, logarithms (ln, log) * trigonometric functions sin π/2, cos 30°, ... * hyperbolic functions sinh, cosh, tanh, ... (hold "e" key to switch) * inverse functions (hold direct function key) * complex numbers, all functions support complex arguments * derivatives sin x' = cos x, ... (hold x^n key) * scientific notation (enable in menu) * percent mode * save/load history GRAPHING CALCULATOR * multiple functions graphing * implicit functions up to 2nd degree (ellipse 2x^2+3y^2=1, etc.) * polar graphs (r=cos2θ)
* parametric functions, enter each on new line (x=cos t, y=sin t) * function roots and critical points on a graph, tap legend to turn on and off (top left corner), use menu to display as a list * graph intersections (x^2=x+1) * tracing function values and slopes * scrollable and resizable graphs * pinch to zoom * fullscreen graphs in landscape orientation * function tables * save graphs as images * save tables as csv FRACTION CALCULATOR * simple and complex fractions 1/2 + 1/3 = 5/6 * mixed numbers, use space to enter values 3 1/2 ALGEBRA CALCULATOR * linear equations x+1=2 -> x=1 * quadratic equations x^2-1=0 -> x=-1,1 * approximate roots of higher polynomials * systems of linear equations, write one equation per line, x1+x2=1, x1-x2=2 * polynomial long division * polynomial expansion, factoring MATRIX CALCULATOR * matrix and vector operations * dot product (hold *), cross product * determinant, inverse, norm, transpose, trace LIBRARY * user defined constants and functions (PRO) * save/load expressions
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