Abacus Calculator for Students
An on-screen abacus for practicing arithmetic, letting students work through addition, subtraction, multiplication, and division by moving virtual beads.
ClaudeArtifact
#calculator
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Kelly Criterion Portfolio Calculator
A calculator that applies the Kelly criterion to portfolio allocation, showing suggested weights and Monte Carlo simulations of growth paths.
ClaudeArtifact
LLM pricing calculator
Google, $0.0375, $0.15. Google, $0.075, $0.30. Google, $0.075, $0.30. Google, $0.10, $0.40. OpenAI, $0.10, $0.40. OpenAI, $0.15, $0.60. OpenAI, $0.40, $1.60.
ClaudeArtifact