Practice mental by adding flashing numbers before they disappear. Play multiple rounds with increasing difficulty. Track progress and replay previous sessions to improve speed and accuracy.
The app helps children develop addition, subtraction, multiplication, and division skills through interactive practice. It offers a history of tests to track progress and allows customization for focused learning.
Calculate electricity costs with detailed financial analysis
Calculate levelized cost of electricity for power plants using net-present-value analysis. Input discount rates and financial incentives. View detailed breakdowns of revenue, taxes, depreciation, and CO2 tax.
