🟢Δ

#delta symbol #change symbol #mathematics symbol #science symbol #green delta #triangle letter

↔️‖

#parallel lines #parallel #mathematics symbol #vector norm

√9️⃣

#square root #radical symbol #math operation #root 9 #mathematics symbol

∝📐🇬🇷

#geometric divider #drafting tool #compass tool #measurement tool #greek geometry #euclid #proportions #golden ratio #mathematics symbol

📈◜

#upper right quadrant arc #top right #mathematics symbol

<🔢>

#less than greater than #mathematics symbol #math comparison #inequality sign #angle brackets math #number comparison #corchetes triangulares

Σ🤏🖼️

#sigma symbol #small photo #mathematics symbol #small picture frame #summation photo