HS & College Calculator

HS & College Calculator is one tool that carries a student from grade 9 through college STEM. It is fast enough for nightly homework and powerful enough for algebra, chemistry, physics, and calculus. Replace a drawer full of single-purpose calculators with one clean, confident app. Built for high school and college students in math and science courses who want correct answers quickly, with worked steps available when they help. WHAT YOU GET Calculator — basic and scientific in one surface. A big clear result line, a scientific toggle when you need more, degree and radian modes, memory registers, and a way to reuse your last answer. Searchable history. Every calculation is logged so you can find it later, and any entry taps back in to reuse it. Fractions. Dedicated fraction entry with exact results, mixed or improper, automatically simplified. Graphing. An expression list bound to a live interactive grid with pan and zoom, color-coded curves, and tap-to-trace values. Unit conversion. Convert across common categories including length, mass, temperature, volume, time, area, speed, and data, plus chemistry-friendly units. Formula library. A searchable formula sheet grouped by subject, covering algebra, geometry, trigonometry, chemistry, physics, and calculus, with variables and a use-in-calculator handoff. Step-by-step solutions. Deterministic worked steps for supported problem types, so you can follow the work and check yourself. Local-first and private. Works offline and requires no account. Your calculations stay on your device. No gimmicks. No mascots, no gamification, no clutter. Just a real calculator that does the job.