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Complete works of mathematical formula symbols in senior high school
╮ +-×÷ ? ∶∴∵∷⊙∫∮∝∞∧∨ ? ≠≤≥≈≡‖=≌∽≮≯∑∏∪∩∈⊿⌒√∟㏒㏑¢∠⊥%‰℅ ℃℉′〒 ○? ㎎㎏㎝㎞㏄㏎㏒ $ ㏕㏕♂♀ X? x? x? 1 1′ 1〃

Special symbol (1)

↑ ↓ ← → ↖ ↗ ↙ ↘ ㊣ ◎ ⊕ ⊙ ○ ● △ ▲☆★◇◆□■▽▼ ¥£※♀♂∵∴φω ?

Special symbol (2)

╮ , 、 ~%#*? ; ∶ … , ? ˙ ' '〃′ ε? з ? ◎ ▄ █ ▌? (ε.メ)

Special symbol (3)

? ≡