Screenshot of Function Machine Deluxe

Function Machine Deluxe

Every input gets exactly one output

Ages
Ages 12–15
Verification
Verified Oct 3, 2026

Learning fit

Labels show who asserted each claim.

An Algebra 1 functions app for ages 12-15. Guess the Rule runs 6 input-output machines (2x+1 through (x-1)^2) where the player picks the rule and predicts a new output. Function or Not? tests 8 representations — mapping diagrams, tables, ordered pairs, and graphs with a draggable vertical line and live crossing count, including the circle and sideways-parabola traps. Read f(x) teaches notation (f is the name, not multiplication) with graph-reading questions and a domain/range point set.

Subjects

  • Mathematics (Developer disclosed)
  • Algebra (Developer disclosed)

Skills

  • functions (Developer disclosed)
  • domain and range (Developer disclosed)
  • function notation f(x) (Developer disclosed)
  • vertical line test (Developer disclosed)

Standards

Not verified

Practical details

No adult setup

Pricing notes: Not verified

Developer: Cogitare Labs

Browser or device

Not verified

Accountability

Material changes

No material public changes recorded.

Open the appVerified Oct 3, 2026

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