Scientific Calculator
Modern Casio-inspired calculator layout with multi-line display, Ans, fractions, and scientific functions.
π ∫ √x sin cos tan log formulas
Premium calculator for students and engineers.
CalcBook combines a fast scientific calculator, offline formulas, PDF study materials, graph tools, converters, and a clean student-focused experience.
Offline-firstCore study tools work offline
Fast keypadDesigned for instant typing
Study-readyFormulas, PDFs, tools
π
∫
√x
CalcBookRAD • NORM
NORM MATH FRAC
6 × 6= 36
3 × 4
Core features
Powerful tools without visual clutter.
Formula Library
Offline formulas for calculus, trigonometry, engineering constants, and daily student work.
Graph & Equation Tools
Graph plotter, equation solver, converter, constants, matrix and vector utility foundations.
Privacy Focused
Core calculator, formulas, settings, and offline study tools work without forced login.
PDF study ecosystem
Study materials inside your calculator app.
CalcBook is designed for students who need notes, previous papers, syllabus files, formulas, and references organized in one offline-friendly space.
Download CalcBook
Calculus Notes.pdf
Derivatives • Integrals • Limits
Engineering Formula Sheet.pdf
Physics • Math • Constants
Previous Year Questions.pdf
Offline saved study file
Student toolkit
Made for engineering and science learners.
Graph Plotter
Equation Solver
Matrix Solver
Unit Converter
Constants
Calculus Tools
PDF Viewer
Formula Browser
Student resources
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Privacy-friendly
Offline-first by design.
CalcBook does not require login for the calculator or offline study tools. Ads and cloud services only use internet when needed.
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