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Safety1stThenTMWK t1_jcy4kbv wrote

No need to be rude.

Calculators are great when you need an exact answer or the problem has a lot of pieces. A lot of problems just require estimates, and many high schoolers and adults can’t do that.

If you ever work outside where your hands can get cold, wet, and/or dirty, you’ll understand that using your phone for math is not always convenient.