50+ precision-engineered calculator programs. Exact fractional output. Hardware-locked activation. Delivered instantly to your inbox.
Over 50 expertly engineered calculator environments. Purchase, activate, and compute.
Calculus, Linear Algebra, Statistics, Differential Equations, and more.
Physics kinematics, Thermodynamics, Chemistry stoichiometry, and Biology.
Finance, Real Estate, Accounting, and Quantitative Methods.
SAT, ACT, GMAT, IB Diploma, and AP curriculum aligners.
$29.99 each • Activation key emailed instantly
Derivatives, Limits, Integrals — Step-by-Step
Polynomial expansion, factorization, equation solving
CX-optimized algebra engine
Triangles, circles, area, volume, distance
Unit circle, identities, Law of Sines/Cosines
Functions, sequences, polar coordinates
CX-optimized precalculus engine
Mean, StdDev, Z-scores, combinatorics
Matrices, determinants, eigenvalues, dot/cross products
Separable, exact, Laplace transforms, Euler method
Combined algebra and trigonometry suite
CX-optimized combined suite
Complex numbers, conformal mappings
Ellipses, parabolas, hyperbolas
Modulo arithmetic, boolean logic, set operations
Finite mathematics fundamentals
Dedicated matrix operations and analysis
Prime factorization, GCD/LCM, modular arithmetic
Newton-Raphson, trapezoidal rule
Gradient, divergence, curl, line integrals
Multi-variable equation solving engine
Competition math problem solving
$29.99 each • Activation key emailed instantly
Kinematics, projectile motion, forces
Ideal Gas Law, molarity, pH/pOH
Hardy-Weinberg, population growth models
Carnot efficiency, heat transfer Q=mcΔT
Combined calculus and physics applications
Biostatistical analysis and modeling
Fluid dynamics and aeromechanics
Circuit analysis, impedance, power
Advanced engineering mathematics
Signal processing and system analysis
Force equilibrium and motion dynamics
Control systems root locus analysis
Laplace, Fourier, and Z-transforms
Torsional mechanics analysis
Comprehensive unit conversion engine
Applied optimization and modeling
$29.99 each • Activation key emailed instantly
Supply/demand, price elasticity, marginal analysis
Compound interest, present/future value
Mortgage amortization, cap rate, GRM
Financial accounting calculations
Applied calculus for business
Statistical methods for business
Economic analysis for engineers
Quantitative economic modeling
Optimization and decision analysis
Investment portfolio analysis
Business quantitative analysis
Surveying computation tools
$29.99 each • Activation key emailed instantly
Complete ACT math toolkit
SAT math problem solver
CX-optimized SAT engine
SAT Math Level 1 & 2
AP-aligned precalculus toolkit
GMAT quantitative section tools
International Baccalaureate math tools
On your TI-Nspire: press 5:Settings → 4:Status → About. Note the last 8 hex digits of your Product ID.
Click "Purchase" on any app above. During Stripe checkout, you'll be asked to enter your 8-digit Device ID.
A unique activation key bound to YOUR calculator is generated and emailed along with the .tns file.
Transfer the file to your calculator, launch it, enter your Device ID + Key, and you're permanently unlocked.
-- ACTIVATION SYSTEM
function _actHash(id)
local h = SALT
for i = 1, #id do
h = (h*31 + byte(id,i)) % 1e8
end
return tostring(h)
end
-- Key is UNIQUE to your calculator.
-- Cannot be shared or reused.