| π | Gravitational acceleration | Magnetic field strength | |
| π¦ | Vertical coordinate | Dynamic viscosity | |
| πβ | Sherwood number | π | Temperature |
| π£ | y-coordinate velocity | π | Fluid pressure |
| πΏπ | Lewis number | Thermal conductivity | |
| ππ | Prandtl. number | Thermal diffusivity | |
| π₯ | Horizontal. coordinate | ππ’ | Nusselt number |
| π π | Rayleigh, number | Specific heat | |
| Ha | Hartmann number | π’ | x-coordinate velocity |
| π | Concentration | ||
| Greeks Symbols | |||
| Fluid density | Temperature | ||
| π· | Casson fluid parameter | ||
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