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### The best calculator apps for Android and iOS

Digital Trends
05 Mar 2021

The operations and functions available are pretty vast, incorporating engineering exponents, binary logarithms, arc and hyperbolic sine/cosine/tangents, and random number inputs ... It lets you switch between a standard and scientific calculator, which offers trigonometric, logarithmic, and exponential functions, among others.

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### Bitcoin Price Predictions by Top Analysts Are Usually Wrong — Here’s Why

XBT.MONEY
19 Jul 2020

Similar to weather forecasting, adding more than a couple of days to an estimate reduces its precision by a logarithmic proportion. One must also consider that the model has to predict a binary outcome because a $9,500 option will be deemed worthless if the expiry price is $9,499. Pundits price predictions are often way off the mark ... Source. Deribit.

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